package com.song.book.service;

import com.song.book.pojo.Book;

import java.util.List;

/**
 * @Author 宋伟宁
 * @Date 2024/1/5
 * @Version 1.0
 **/
public interface BookService {

    List<Book> findBooks();

    Book findBookById(Long id);

    Boolean saveBook(Book book);

    Boolean deleteBook(Long id);



}
